Got an application for high temperature ball valves, design temperature 550C,used on gases hydrogen, ammonia also needs to meet full vacuum shutoff, any ideas for starters?
Just starting to look at a project involving a requirement for a number of control valves for propylene gas,inlet pressure 14 barg,outlet pressure 2 barg, done a sizing calculation and the software indicates supersonic flow with a decibel level of 90@ 1 metre,valve size is 1O0mm with the outlet...
Our customer has three pumps supplying an 8" Main Header, one pump is on standby, one pump has been serviced and is delivering 300psig into the 8" header,the other working pump is only generating say 260 psig into the overhead header,consquently the 300psig from the first pump is putting a back...
Our customer has 3" Reduced Bore Carbon Steel Ball Valves installed on a compressed air line,used as isolation valves,have been in the open position for long periods,need to isolate the system for work on other parts of the plant but cant close the valves,seats are Virgin PTFE,compressed air is...